[INFO] fetching crate exam 0.0.3...
[INFO] checking exam-0.0.3 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate exam 0.0.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate exam 0.0.3 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exam 0.0.3
[INFO] finished tweaking crates.io crate exam 0.0.3
[INFO] tweaked toml for crates.io crate exam 0.0.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate exam 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.38
[INFO] [stderr]   Downloaded syn v1.0.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 267632e34d434680cfbf726cffc0143104d545851bc3e0dcff83add45289a899
[INFO] running `Command { std: "docker" "start" "-a" "267632e34d434680cfbf726cffc0143104d545851bc3e0dcff83add45289a899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "267632e34d434680cfbf726cffc0143104d545851bc3e0dcff83add45289a899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267632e34d434680cfbf726cffc0143104d545851bc3e0dcff83add45289a899", kill_on_drop: false }`
[INFO] [stdout] 267632e34d434680cfbf726cffc0143104d545851bc3e0dcff83add45289a899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8c741056d3a11eba48e8ac8f02d0541c0fd648e948a116cdbc8a1bb15b759f0
[INFO] running `Command { std: "docker" "start" "-a" "b8c741056d3a11eba48e8ac8f02d0541c0fd648e948a116cdbc8a1bb15b759f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking exam v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "b8c741056d3a11eba48e8ac8f02d0541c0fd648e948a116cdbc8a1bb15b759f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c741056d3a11eba48e8ac8f02d0541c0fd648e948a116cdbc8a1bb15b759f0", kill_on_drop: false }`
[INFO] [stdout] b8c741056d3a11eba48e8ac8f02d0541c0fd648e948a116cdbc8a1bb15b759f0
[INFO] checking exam-0.0.3 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate exam 0.0.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate exam 0.0.3 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exam 0.0.3
[INFO] finished tweaking crates.io crate exam 0.0.3
[INFO] tweaked toml for crates.io crate exam 0.0.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate exam 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f223ed2e1df80ba57d1ec980d1d4b98c1fb8b1a024ae0a20d1612fe4ac94a1cb
[INFO] running `Command { std: "docker" "start" "-a" "f223ed2e1df80ba57d1ec980d1d4b98c1fb8b1a024ae0a20d1612fe4ac94a1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f223ed2e1df80ba57d1ec980d1d4b98c1fb8b1a024ae0a20d1612fe4ac94a1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f223ed2e1df80ba57d1ec980d1d4b98c1fb8b1a024ae0a20d1612fe4ac94a1cb", kill_on_drop: false }`
[INFO] [stdout] f223ed2e1df80ba57d1ec980d1d4b98c1fb8b1a024ae0a20d1612fe4ac94a1cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d28513aa62c28b9666a9b3af268df4458fde65ce4cb1d449318af722400ed6e6
[INFO] running `Command { std: "docker" "start" "-a" "d28513aa62c28b9666a9b3af268df4458fde65ce4cb1d449318af722400ed6e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking exam v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "d28513aa62c28b9666a9b3af268df4458fde65ce4cb1d449318af722400ed6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d28513aa62c28b9666a9b3af268df4458fde65ce4cb1d449318af722400ed6e6", kill_on_drop: false }`
[INFO] [stdout] d28513aa62c28b9666a9b3af268df4458fde65ce4cb1d449318af722400ed6e6